52146634144 has 24 divisors (see below), whose sum is σ = 111996749088. Its totient is φ = 23703015360.

The previous prime is 52146634109. The next prime is 52146634181. The reversal of 52146634144 is 44143664125.

It is a happy number.

It is a super-2 number, since 2×52146634144² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52146634097 and 52146634106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74071572 + ... + 74072275.

It is an arithmetic number, because the mean of its divisors is an integer number (4666531212).

Almost surely, 2^52146634144 is an apocalyptic number.

It is an amenable number.

52146634144 is an abundant number, since it is smaller than the sum of its proper divisors (59850114944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52146634144 is a wasteful number, since it uses less digits than its factorization.

52146634144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148143868 (or 148143860 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The spelling of 52146634144 in words is "fifty-two billion, one hundred forty-six million, six hundred thirty-four thousand, one hundred forty-four".